https://www.systerra.de/PMC-LX_Series.html
Acromag's PMC-LX boards use a high-performance Xilinx® Virtex-4™ FPGA, but maintain a relatively low price point. They are optimized for high-performance logic, featuring a high logic-to-feature ratio and a high I/O-to-feature ratio. Two modules let you select a FPGA to match your logic requirements ...